## Conversion formula

The conversion factor from tablespoons to teaspoons is 3.0000000000122, which means that 1 tablespoon is equal to 3.0000000000122 teaspoons:

1 tbsp = 3.0000000000122 tsp

To convert 0.5 tablespoons into teaspoons we have to multiply 0.5 by the conversion factor in order to get the volume amount from tablespoons to teaspoons. We can also form a simple proportion to calculate the result:

1 tbsp → 3.0000000000122 tsp

0.5 tbsp → V(tsp)

Solve the above proportion to obtain the volume V in teaspoons:

V(tsp) = 0.5 tbsp × 3.0000000000122 tsp

V(tsp) = 1.5000000000061 tsp

The final result is:

0.5 tbsp → 1.5000000000061 tsp

We conclude that 0.5 tablespoons is equivalent to 1.5000000000061 teaspoons:

0.5 tablespoons = 1.5000000000061 teaspoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.66666666666396 × 0.5 tablespoons.

Another way is saying that 0.5 tablespoons is equal to 1 ÷ 0.66666666666396 teaspoons.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that zero point five tablespoons is approximately one point five teaspoons:

0.5 tbsp ≅ 1.5 tsp

An alternative is also that one teaspoon is approximately zero point six six seven times zero point five tablespoons.

## Conversion table

### tablespoons to teaspoons chart

For quick reference purposes, below is the conversion table you can use to convert from tablespoons to teaspoons

tablespoons (tbsp) teaspoons (tsp)
1.5 tablespoons 4.5 teaspoons
2.5 tablespoons 7.5 teaspoons
3.5 tablespoons 10.5 teaspoons
4.5 tablespoons 13.5 teaspoons
5.5 tablespoons 16.5 teaspoons
6.5 tablespoons 19.5 teaspoons
7.5 tablespoons 22.5 teaspoons
8.5 tablespoons 25.5 teaspoons
9.5 tablespoons 28.5 teaspoons
10.5 tablespoons 31.5 teaspoons